Evolution of Rovers

The first landing on Mars by a rover was Viking 1 and was launched in 1976.
This is the timeline of rovers

• Viking 1
• Viking 2
• Pathfinder
• Opportunity
• Spirit
• Phoenix
• Curiosity

Over the years NASA added new parts to the rovers, here are some of them

• They added wheels
• better landing
• better camera
• arm
• laser
• more space for information

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